<?php
function bter_query($path, array $req = array()) {
// API settings, add your Key and Secret at here
$key = '';
$secret = '';
// generate a nonce to avoid problems with 32bits systems
$mt = explode(' ', microtime());
$req['nonce'] = $mt[1].substr($mt[0], 2, 6);
// generate the POST data string
$post_data = http_build_query($req, '', '&');
$sign = hash_hmac('sha512', $post_data, $secret);
// generate the extra headers
$headers = array(
'KEY: '.$key,
'SIGN: '.$sign,
);
//!!! please set Content-Type to application/x-www-form-urlencoded if it's not the default value
// curl handle (initialize if required)
static $ch = null;
if (is_null($ch)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT,
'Mozilla/4.0 (compatible; Bter PHP bot; '.php_uname('a').'; PHP/'.phpversion().')'
);
}
curl_setopt($ch, CURLOPT_URL, 'https://bter.com/api/'.$path);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
// run the query
$res = curl_exec($ch);
if ($res === false) throw new Exception('Curl error: '.curl_error($ch));
//echo $res;
$dec = json_decode($res, true);
if (!$dec) throw new Exception('Invalid data: '.$res);
return $dec;
}
function get_top_rate($pair, $type='BUY') {
$rate = 0;
// our curl handle (initialize if required)
static $ch = null;
if (is_null($ch)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERAGENT,
'Mozilla/4.0 (compatible; Bter PHP bot; '.php_uname('a').'; PHP/'.phpversion().')'
);
}
curl_setopt($ch, CURLOPT_URL, 'https://bter.com/api/1/depth/'.$pair);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
// run the query
$res = curl_exec($ch);
if ($res === false) throw new Exception('Could not get reply: '.curl_error($ch));
//echo $res;
$dec = json_decode($res, true);
if (!$dec) throw new Exception('Invalid data: '.$res);
if (strtoupper($type) == 'BUY') {
$r = $dec['bids'][0];
$rate = $r[0];
} else {
$r = end($dec['asks']);
$rate = $r[0];
}
return $rate;
}
try {
// example 1: get funds
var_dump(bter_query('1/private/getfunds'));
// example 2: place a buy order
$pair = 'ltc_btc';
$type = 'buy';
$rate = get_top_rate($pair, $type) * 1.01;
var_dump(bter_query('1/private/placeorder',
array(
'pair' => "$pair",
'type' => "$type",
'rate' => "$rate",
'amount' => '0.01',
)
)
);
// example 3: cancel an order
var_dump(bter_query('1/private/cancelorder', array('order_id' => 125811)));
// example 4: get order status
var_dump(bter_query('1/private/getorder', array('order_id' => 15088)));
//example 5: list all open orders
var_dump(bter_query('1/private/orderlist'));
} catch (Exception $e) {
echo "Error:".$e->getMessage();
}
?>
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